RT Journal Article SR Electronic T1 What factors are predictive of survival in patients with non-small-cell lung cancer treated with gefitinib? JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 757 OP 757 VO 62 IS 9 A1 Archer, Kirsten YR 2007 UL http://thorax.bmj.com/content/62/9/757.abstract AB